Tune sysctl parameters for TCP testing. Restore previous
settings after tests have finished. For ADQ-enabled tests
also set proper value for busy_read option.
Commit includes a fix to initiator exec_cmd() method to
allow using command parameters which contains whitespace,
otherwise it's not possible to set some of sysctl params.
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Change-Id: I3376b69b8d7c0d8a282765db4fe55824f55f9e05
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6265
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Michal Berger <michalx.berger@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Maciej Wawryk <maciejx.wawryk@intel.com>
Reviewed-by: John Kariuki <John.K.Kariuki@intel.com>
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